Aaron Vail Edit Profile
As a chargé d'affaires, he acted as the chief American officer in London in lieu of a Minister between April 4, 1832 and 1836. Between the tenures of Martin Van Buren and Andrew Stevenson. He then became a Special Diplomatic Agent to Canada in 1838.
On May 20, 1840, Vail then performed the same function as chargé d'affaires in Spain, being succeeded by Washington Irving on August 1, 1842.